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WAEC Agricultural Science 2011 Question 16

Question 16

Soil Fertility and Plant Nutrition

The following fertilizers can be used to neutralize soil acidity except

  1. A.wood ash.
  2. B.ammonium nitrate.
  3. C.Limestone.
  4. D.calcium phosphosilicate.
Show the answer and explanation

Answer: B (ammonium nitrate.)

Explanation

Ammonium fertilizers make soil more acidic; ash, limestone and basic slag are alkaline.